Description:
Serial Number Information
The serial number plate is typically located on the main frame near the cab access or under the operator's platform on the left-hand side.
Always use the machine's serial number to confirm part compatibility for engine, hydraulics, and swing components.
Key Specifications
| Feature |
Specification |
| Engine Model |
Komatsu SAA6D125E-5, 6-cylinder turbocharged diesel |
| Emissions Tier |
Tier 3 compliant |
| Net Power |
359 HP (268 kW) @ 1,800 RPM |
| Operating Weight |
116,845 lbs (53,000 kg) |
Digging & Reach
| Feature |
Specification |
| Bucket Capacity |
2.0 – 3.6 cubic yards |
| Maximum Dig Depth |
25 ft 7 in (7.8 m) |
| Max Reach at Ground Level |
39 ft 2 in (11.9 m) |
Hydraulic & Travel Specs
| Feature |
Specification |
| Hydraulic Flow |
158 GPM (598 L/min) |
| Swing Speed |
9.1 RPM |
| Travel Speed – High |
2.8 mph (4.5 km/h) |
| Travel Speed – Low |
1.6 mph (2.6 km/h) |
Key Features
High-Horsepower Excavation
The 359 HP SAA6D125E-5 engine provides exceptional torque and durability for deep excavation, mass material handling, and quarry loading.
Massive Digging Capabilities
With a 3.6 yd³ bucket capacity and 25 ft 7 in dig depth, the PC520LC tackles high-volume excavation and heavy load cycles with ease.
Efficient Hydraulic Performance
The 158 GPM flow rate powers smooth and rapid boom, arm, and swing functions—ideal for demanding cycles and long reach applications.
Long Carriage for Stability
The LC (long carriage) track frame delivers superior lifting and stability, especially useful when working with larger buckets or deeper trenches.
Common Replacement Parts
Support your PC520LC with high-quality components available at Broken Tractor:
Engine Components
Injectors, turbochargers, EGR valves, thermostats, fuel pumps
Hydraulics
Hydraulic pumps, control valves, boom and stick cylinders, seal kits
Swing & Travel
Swing motors, slew rings, final drives, track motors, gearboxes
Undercarriage
Track chains, sprockets, rollers, idlers, recoil springs
Cab & Controls
Monitor displays, seat kits, joystick controls, ignition switches
Maintenance Schedule
| Task |
Recommended Interval |
| Engine Oil & Filter |
Every 250 hours |
| Fuel Filter & Water Separator |
Every 250–500 hours |
| Hydraulic Filter & Oil |
Every 500 hours |
| Swing Bearing Lubrication |
Weekly or every 50 hours |
| Final Drive Oil Check |
Every 1,000 hours |
| Coolant & DEF System Flush |
Annually or per manufacturer spec |
See Details
